Energy Security Emergency in Texas Brings Alternative, Clean, Renewable & Reliable Energy Source into the National Spotlight Renewable Liquid Heating Fuel Industry Extends Solution to National Crisis News provided by Share this article Share this article SOUTHBOROUGH, Mass., Feb. 19, 2021 /PRNewswire/ -- As Texas endures the greatest energy insecurity in recent history, the Renewable Liquid Heating Fuel (RLHF) industry is offering America a viable, clean fuel that can be utilized as part of the U.S. energy mix, to relieve pressure on an overstretched electrical grid, keeping the heat and lights on into the coming decades. Renewable liquid heating fuel is a blend of traditional heating oil and renewable biodiesel. Biodiesel is a low carbon replacement for heating oil that is produced from used cooking oil, animal fats and agricultural byproducts or co-products. These low carbon fuels reduce lifecycle greenhouse gases on average 73%-80%.